Senior Software Engineer II

Company: American Express
Location: Phoenix
Posted on: January 9, 2026

Job Description:

At American Express, our culture is built on a 175-year history of innovation, shared values and Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. As part of Team Amex, youll experience this powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express. How will you make an impact in this role? As a Senior Software Engineer II, youll be part of the core foundational team within the Amex Enterprise Cloud Organisation, responsible to lead, drive, build and scale AWS accounts for all of American Express. Core Foundations is a fundamental layer to ensure AWS accounts adhere to risk, regulations and compliance in accordance with the financial guidelines and also enable AWS as an alternate Cloud Provider of choice for application teams in parallel to the Private Cloud. Roles & Responsibilities • Identify and implement foundational building blocks needed to manage AWS (Amazon Web Services) infrastructure for enterprise-scale software applications; • Streamline the procurement and provisioning of AWS accounts to support scalable cloud adoption; • Utilise and apply foundational networking and security components to support hosting of American Express applications and platforms on AWS; • Build automation pipelines to scale account orchestration workflows and improve operational efficiency; • Identify gaps in existing cloud processes and propose solutions to enhance customer and platform experience when using AWS alongside private cloud solutions; • Apply the “secure-from-start” principles in software development to ensure robust and compliant cloud solutions; • Analyse complex application and platform design patterns and build cloud native solutions that accommodate diverse architectures; • Design, develop, test, and debug software applications and systems; • Complete software builds through consistent development practices, including the use of tools, common components, and documentation with guidance from peers and leaders; • Complete code reviews and automated testing to maintain high-quality code standards with guidance from peers and leaders; • Support and monitor software across test, integration, and production environments; • Adhere to security and regulatory best practices to ensure software compliance; • Collaborate and co-create effectively with teams in product and the business to align technology initiatives with business objectives; • Modify existing software to correct errors, adapt it to new hardware, or upgrade interfaces and improve performance; and • Determine system performance standards and ensure software operates in conformance with specifications. Requirements • This will be an individual contributor role who will be a solid hands-on developer who knows what it takes to build Cloud Platforms at scale. • Serve as one of the key members within the Core Foundations Team representing location, geography, knowledge and competence in AWS with an equal grit towards technical delivery focused towards business continuance. • Is proactive towards business problems and has the knack to challenge these into solutions, keeping scale, stability and security in scope. • Is familiar with one external Cloud Provider of choice in depth - E.g., AWS, Azure or Google Cloud, with a deep desire towards working in AWS. • Can work smoothly in an Agile Team and is well versed with the Agile Software practices. • Has a passion to drive industry leading technologies and bringing them into production-grade scale into the firm. • Strong and clear to communicate with a positive attitude towards problems and willingness to serve and learn from everyone. • Stand as a representative to Foundations across stakeholders, clients and partners and assimilates the business requirements into well-defined technical features. • Able to balance work priorities - within and across teams. • Can closely collaborate with partner teams demonstrating stronger and bigger solutions. • Is innovative, experiments, takes calculated risks and challenges status quo. • Comes across as a mentor towards the engineers and breaks down complicated tasks into measurable items. • Hungry to learn and implement ideas with practical solutions on the go. Minimum Qualifications • Bachelors or Masters of Engineering in Computer Science or in an equivalent stream. • 12 years of solid, proven experience in Software Engineering and development. • 4 years of proven experience in Infrastructure as Code (IaC) tools using Terraform, Ansible or similar. • 4 years of experience working in AWS/Azure Clouds. • 5 years working in Agile tools like JIRA, Confluence, Git, GitHub Actions, CI/CD. • 5 years of proven Software development in one or more of the programming languages - Java, Go, Python. • 5 years of proven technical leadership experience to lead teams to excellence with effective communication skills. • Solid engineering experience building platforms for application teams. • Knows how to build and run frameworks in various forms in the platform. • Understanding application development and deployment lifecycles on AWS is essential to co-relate Platform development. Preferred Qualifications • Experience in AWS Services like AWS Control Tower, EC2, IAM, VPC, S3, Lambda, DynamoDB etc • Experience in Amazon EKS including building EKS clusters and deploying apps on EKS. • Knowledge of application architectures is a plus. • Understands Safe Agile process and leverages to the best advantage. • Deeper understanding & knowledge of AWS Networking and AWS Security is a huge plus. • Knowledge of various other AWS Services is a plus. • Knowledge of using Golang is a huge plus. Salary Range: $110,000.00 to $190,000.00 annually bonus benefits The above represents the expected salary range for this job requisition. Ultimately, in determining your pay, we’ll consider your location, experience, and other job-related factors. We back you with benefits that support your holistic well-being so you can be and deliver your best. This means caring for you and your loved ones physical, financial, and mental health, as well as providing the flexibility you need to thrive personally and professionally: • Competitive base salaries • Bonus incentives • 6% Company Match on retirement savings plan • Free financial coaching and financial well-being support • Comprehensive medical, dental, vision, life insurance, and disability benefits • Flexible working model with hybrid, onsite or virtual arrangements depending on role and business need • 20 weeks paid parental leave for all parents, regardless of gender, offered for pregnancy, adoption or surrogacy • Free access to global on-site wellness centers staffed with nurses and doctors (depending on location) • Free and confidential counseling support through our Healthy Minds program • Career development and training opportunities

Keywords: American Express, Sun City West , Senior Software Engineer II, IT / Software / Systems , Phoenix, Arizona